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Old 09-06-2012, 01:00 PM   #126
gmbart
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Quote:
Originally Posted by TIGWERKS View Post
Not sure where you read making a header from square tubing.
sorry meant uppipe... same things applies though
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Old 09-06-2012, 03:01 PM   #127
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He's not making an uppipe from square tubing though
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Old 09-07-2012, 12:57 AM   #128
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Quote:
Originally Posted by TIGWERKS View Post
He's not making an uppipe from square tubing though
Correct. I need to square it up so i can mate the round pipe into the t4 flange. Cuz the flange is not round
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Old 09-07-2012, 09:30 AM   #129
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Like I said you can use a hammer and anvil and a vise. I generally use the vice to oval it out then use an anvil to shape it into a square. It's pretty easy and straight forward.
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Old 09-07-2012, 02:48 PM   #130
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Quote:
Originally Posted by TIGWERKS View Post
He's not making an uppipe from square tubing though
haha sorry had a major moment of brain retardness...
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Old 09-07-2012, 09:31 PM   #131
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Someone want to build me a rotated uppipe for me????
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Old 09-08-2012, 04:08 AM   #132
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amazing !
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Old 09-22-2012, 11:20 AM   #133
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TITs!!!!! Nice work man!
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Old 09-22-2012, 02:12 PM   #134
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Quote:
Originally Posted by TIGWERKS
321 manifold with inconel 625 uppipe utilizing a special inhouse v-band setup for uppipe/manifold connection. setup is also using a 321 downpipe and turbo will be an hta86 shooting for over 600whp.
Ooo 625! How is welding that? Any tips been trying to find tips for inconel on the Internet but all I can find is the puddle is sluggish and similar to aluminum. I am going to do a full twinscroll single Ewg out of inconel. Going to do it in a rotated back design similar to wrc but only to 15degrees since that's all the garret bb crha housing can handle.
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Old 09-22-2012, 02:25 PM   #135
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Have you priced out inconel yet? The tubing for the uppipes I make costs around $175 a foot. Inconel is nothing like aluminum. I wouldn't call aluminum sluggish either, I can lay down the amps and dip filler as fast as I can while moving as fast as I can and travel at a quick pace. Inconel is a dirty undefined weld puddle. Like looking through glasses with muddy water on the lenses causing crappy vision. Need to be intuitive to what the weld puddle will do.
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Old 09-23-2012, 11:59 AM   #136
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I have only been looking around for inconel 625 suppliers I haven't found out any prices yet partly due to the fact I haven't decided what wall thickness to use. I am hoping to be able to do it for around 2000 to 2500. I am just learning to Tig weld now and will be practicing lots before doing the manifold.
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Old 09-23-2012, 02:40 PM   #137
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well you'll have almost that just in material costs, now you'll need to draw and design something and have the mandrel bent which is more more money or buy prebent inconel tubing which isnt common and very expensive which will increase your costs.

you'll find most inconel to have a .049" wall thickness and lower which is the most readily used material in aircraft applications. You can find some .065" but its not common. Also be prepared that it is a very difficult material to work with. My tube bender hates doing it but has lots of experience with it so I lucked out with that. Its a also pain in the ass to grind or cut. I had a brand new blade on the large dake cnc bandsaw at work and the saw got maybe .5" through the inconel tube before the blade was destroyed. Found the easiest way to cut inconel is with your standard 4" angle grinder with a high quality cut off wheel.

You'll be fine with the common .049" wall thickness
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Old 09-23-2012, 04:47 PM   #138
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can we get some pics of the piping from the turbo to the intercooler. that's the part i'm having trouble working out. also, has anyone done a rotated setup for a large "stock location" turbo with a 3" intake(fp red)? i'm looking to rotate the turbine housing either down or towards the boost controller area of the engine bay and taking the flange on my grimmspeed up pipe and rotating that. any in put or ideas on this?
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Old 09-23-2012, 06:31 PM   #139
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So would it be beneficial in doing a mock up with mild steel and then send the mock up to the bender with straight 0.049 pipe. As opposed to getting inconel weld els which would probably lead to more waste. That pipe must be really light with such a thin wall thickness. What thickness and type of stainless should be used for the flanges? 3/8" 304?
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Old 09-23-2012, 07:03 PM   #140
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On the 321 3"x.049" downpipes i use with the inconel uppipes it shaves off around 4.5 lbs. So you will save some weight, I would use 1/2" 304 flanges, inconel welds nicely to stainless and use the same rod as you would welding inconel to inconel.

Yes I would make your system from mild steel tubing and make it 100% to what you want. Then I would bring that to your bender of choice and they can replicate that for you out of inconel. Should have an easy time finding some tubing in washington.
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Old 09-23-2012, 08:31 PM   #141
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dont want to sound rude in any way but is it really worth spending so much $$$ on iconel just to save some weight
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Old 09-23-2012, 09:06 PM   #142
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You can save weight by using any kind of material in a thin wall thickness. Id imagine he wants to use inconel due to the higher strength factor than 304 and for its heat retention.
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Old 09-23-2012, 11:54 PM   #143
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Inconel keeps like 90% or more of its strength at 1800F which is low when running anti lag and 30 psi boost its important to have the strength since EGT's will go well over 2200
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Old 09-23-2012, 11:58 PM   #144
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Are most people going with 1.75" tubing for their manifold or smaller? I'm guessing 1.5" would keep gas velocity up without causing to much back pressure
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Old 09-24-2012, 09:18 AM   #145
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Inconel keeps like 90% or more of its strength at 1800F which is low when running anti lag and 30 psi boost its important to have the strength since EGT's will go well over 2200
that i can understand... but for the huge cost of iconel i would just stick with a some added weigt and use sch 40 ss weld els and never have to worry about anyhting falling apart
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Old 09-24-2012, 11:10 AM   #146
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Sch40 setup would weigh close to 40 lbs, the inconel would weigh around 11lbs and still not fall apart. You have a little over x2 the tensile strength of 304 using inconel at room temp. As temps rise inconel has an even higher advantage. 304 service temps limit at around 1200/inconel service temps are as high as around 2000. It's more corrosion resistant, fatigue strength is higher, heat retention, etc... It has advantages all across the board except price. And whose not to say sch40 wouldn't crack? I've seen sch40 crack many times, and at the same time inconel can crack. But there's a reason inconel is used in highly critical parts in aerospace, naval subs, nuclear reactors ......
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Old 10-11-2012, 02:47 AM   #147
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Finally finished my Borg Warner S256 rotated setup on my 97' LGT. I built everything myself, and also did my first bit of Aluminum welding. I was successful in welding up my IC pipes just the way I always had dreamed up in my head. I ran a narrow radiator and AC condensor and ran the IC pipes on either side. It has taken a lot of custom work to get the car to this point, but it has been a lot of fun over the years!


A few pics:


The Car:
































I just wanted to share a bit of my passion for building stuff! Thanks for looking!

Last edited by morrocco88; 10-14-2012 at 01:31 AM.
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Old 10-11-2012, 01:57 PM   #148
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Great job !!!
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Old 10-11-2012, 09:26 PM   #149
gmbart
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very clean man u gonna paint match the tubing to your intake mani.. if so thats gonna look sick... and i know what you mean by passion for doing your own stuff...
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Old 10-11-2012, 09:38 PM   #150
morrocco88
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Thanks guys!

I was actually thinking of leaving them raw aluminum, and just brushing them with scotch brite or something. The gold manifold was from my old setup where everything was black including the IC pipes. I might change it in the future.
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